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4
DIAGRAMS




4 DIAGRAMS 3 SERVICE 2 ISW 1 OUTLINE
7020 ELECTRICAL PARTS LAYOUT DRAWING




1 OUTLINE
7020 ELECTRICAL PARTS LAYOUT DRAWING
[1] Switches and sensors




2 ISW
TLD Toner level detector




3 SERVICE
PS9 Tray detect PS (upper)


PS12 Tray detect PS (lower)




4 DIAGRAMS
PS20 By-pass tray paper size detect PS




PS13 By-pass no paper detect PS VR1 By-pass tray paper size VR




TDS Toner density sensor




4-1
7020 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




PS2 Fixing exit PS
2 ISW




TH2 Fixing temperature
sensor 2
TH1 Fixing temperature
sensor 1
3 SERVICE




TS Thermostat
4 DIAGRAMS




PS14 Optics home position PS



PS17 APS sensor1

PS18 APS sensor2
PS15 APS timing PS




4-2
7020 ELECTRICAL PARTS LAYOUT DRAWING




1 OUTLINE
SW2 Sub power switch




2 ISW
PS19 Exit limit detect PS
PS3 Paper exit PS




3 SERVICE
PS7 Upper limit detect sensor
(upper)
PS10 Upper limit detect PS




4 DIAGRAMS
PS8 No paper detect PS
(lower) PS1 Registration PS
(upper)
PS4 ADU PS
PS11 No paper detect PS (lower)



PS5 Toner bottle PS

HUM1 Humidity sensor




SW1 Main power switch




SW3 Interlock switch




4-3
7020 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




[2] Loads
2 ISW




SD5 ADU gate SD



M1 Main motor
M4 Toner supply motor


MC1 Registration clutch
SD1 1st paper feed SD (upper) SD6 Toner bottle SD
3 SERVICE




MC2 Loop clutch


M9 Paper feed motor M3 Developing motor
SD2 1st paper feed SD (lower) FM1 DCPS cooling fan

M6 ADU motor M7 Tray motor (upper)

M8 Tray motor (lower)
4 DIAGRAMS




FM3 Optical unit fixing cooling fan motor




SD4 Cleaning web SD




TSL Transfer synchronisation lamp

SD3 By-pass paper feed SD




4-4
7020 ELECTRICAL PARTS LAYOUT DRAWING




1 OUTLINE
2 ISW
M5 Polygon motor




3 SERVICE
SD7 Separation claw SD




4 DIAGRAMS
PCL Pre-charging lamp




L2 Fixing heater lamp1


L3 Fixing heater lamp2




4-5
7020 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




L1 Exposure lamp
2 ISW
3 SERVICE




M2 Optical motor




FM2 Fixing cooling fan motor
4 DIAGRAMS




PTC PTC heater




4-6
PCBS AND OTHERS




1 OUTLINE
[3] PCBs and others




2 ISW
HV High voltage unit
PFDB (UPPER)
Paper feed detection
board (upper)


PFDB (LOWER)
Paper feed detection
board (lower)




3 SERVICE
PRMB Parameter memory board




INV1 Exposure lamp inverter




4 DIAGRAMS
PRDB Printer drive board



CBR2 Circuit breaker2

CBR1 Circuit breaker1



DCPS DC power supply unit L1INVB Exposure lamp
CB Overall control board power supply board




PSWB Power SW board




PAKB Panel key board


ADB A/D conversion
LCD display board board
INV2 display inverter
OB operation board SCDB scanner drive board




4-7
7020 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




LDB LD drive board
2 ISW
3 SERVICE




INDEX Index sensor board
4 DIAGRAMS




TCSB Toner control sensor board




4-8
DF-314 ELECTRICAL PARTS LAYOUT DRAWING




1 OUTLINE
DF-314 ELECTRICAL PARTS LAYOUT DRAWING



M301 Original feed motor


M303 Original reversal motor




2 ISW
M302 Original conveyance motor




DFCB DF control board




3 SERVICE
VR301 Size detect VR
PS306 Original detect PS1
PS303 Original exit PS
PS307 Original detect PS2




4 DIAGRAMS
PS311 Original registration PS
PS312 Original feed PS


SD302 Rollar pressure SD PS305 Cover open/close detect PS




PS301 No original detect PS


PS304 RADF open/close detect PS SD303 Exit SD




4-9
FS-107 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




FS-107 ELECTRICAL PARTS LAYOUT DRAWING




PS711 Tray upper limit detect PS
2 ISW




PS704 Tray full-stack detect PS

PS703 Paper exit detect PS


PS716 Tray count PS

PS706 Tray lower limit detect PS


M706 Tray up/down motor
3 SERVICE




PS707 No paper detect PS




PS709 Alignment plate
detect PS (rear)

M703 Alignment motor (rear)
4 DIAGRAMS




PS710 Alignment plate
detect PS (front)




M704 Alignment motor (front)




M706 Tray up/down motor
PS708 Stapler unit HP
detect PS MS701 Front door switch
FS CB FS control board
M705 Stapler shift motor




4-10
FS-107 ELECTRICAL PARTS LAYOUT DRAWING




1 OUTLINE
M709 Cooling fan motor

PS702 Paper entrance detect PS M702 Peper exit motor

PS701 Paper pressure PS M701 Paper conveyance motor




2 ISW
PS705 Shutter PS




3 SERVICE
MS702 Shutter switch

M707 Paper pressure motor




PS717 Conveyance cover open/close detect PS




4 DIAGRAMS
PS714 Stapler ready detect PS PS712 Stapler HP detect PS




PS713 No-staple PS M708 Stapler motor




4-11
DB-209 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




DB-209 ELECTRICAL PARTS LAYOUT DRAWING


PS104 Jam detect PS1
PS102 Upper limit detect PS (upper)
PS103 No paper detect PS (upper)
2 ISW
3 SERVICE




PS107 Upper limit detect PS (lower)
PS108 No paper detect PS (lower)
PS105 Jam detect PS2
4 DIAGRAMS




PS101 Tray detect PS (upper)




PS106 Tray detect PS (lower)




4-12
DB-209 ELECTRICAL PARTS LAYOUT DRAWING




1 OUTLINE
SD101 1st paper feed SD (upper)

PFUDB PFU board



M100 DB drive motor




2 ISW
3 SERVICE
SD102 1st paper feed SD
M101 Paper feed motor1 M102 Paper feed motor2
(lower)




PTC heater 4 DIAGRAMS
SDB1 Size detection board1

SDB2 Size detection board2




4-13
DB-409 ELECTRICAL PARTS LAYOUT DRAWING
1 OUTLINE




DB-409 ELECTRICAL PARTS LAYOUT DRAWING


PS102 Paper level detect PS1
PS103 No paper detect PS
2 ISW




PTC Heater

PS104 Jam detect PS1
3 SERVICE




SDB Size detection board PS105 Door open/close detect PS




SD101 1st paper feed SD
LCT drive board
4 DIAGRAMS




M101 Paper feed motor




M100 DB drive motor



PS109 Paper level detect PS


PS101 Tray detect PS




4-14
7020 CONNECTOR LAYOUT DRAWING




1 OUTLINE
7020 CONNECTOR LAYOUT DRAWING




2 ISW
J28 (B:3pin)
J12 (W:8pin)
J23 (B:3pin)
CN903 (W:8pin)




J06 (W:3pin)

J21 (W:3pin)




3 SERVICE
CN921 (BL:2pin)
J14 (W:6pin)

J30 (W:3pin) J31 (W:3pin)
CN922 (W:2pin)
J04 (W:11pin)
J32 (W:3pin)
CN905 (W:6pin)
J03 (W:11pin) CN923 (W:2pin)

J02 (W:7pin)




4 DIAGRAMS
930 (W:2pin)




4-15
7020 CONNECTOR LAYOUT DRAWING
1 OUTLINE
2 ISW




J50 (W:12pin)
J51 (W:5pin)

J52 (W:5pin)



CN904 (5pin)
3 SERVICE
4 DIAGRAMS




4-16
7020 CONNECTOR LAYOUT DRAWING




1 OUTLINE
2 ISW
928 (W:2pin)

J11 (W:7pin) J16 (BK:18pin)




3 SERVICE
4 DIAGRAMS
J17 (BK:10pin)




J13 (W:4pin)




J13 (BK:8pin)




4-17
7020 CONNECTOR LAYOUT DRAWING
1 OUTLINE




Overall control board CN801
(68pin)
CN46 CN48 CN431
(50pin) (10pin) (5pin)
2 ISW




CN432
CN32 CN33 CN803 (12pin)
CN39 (24pin) CN47 (6pin) CN45
(20pin)
(22pin) (10pin)
(25pin)
CN44
(19pin)
CN34
(24pin) CN42
(9pin)
CN40 CN800 CN500
(36pin) (68pin) (5pin) CN38
3 SERVICE




(100pin)


CN31
(7pin)
CN37 CN30
(120pin) (6pin)
4 DIAGRAMS




High voltage unit Printer drive board




CN28 CN23 CN20
(38pin) (22pin) CN27 (4pin)
CN29
CN37 (36pin) (8pin)
CN70
CN71 (8pin)
(9pin)
(12pin) CN38 CN21
CN72 (4pin) (6pin)
(3pin)
CN35
(5pin) CN22
CN36 (5pin)
(10pin) CN25 CN24
(34pin) (40pin)
CN19 CN26
(24pin) (26pin)




4-18
7020 CONNECTOR LAYOUT DRAWING




1 OUTLINE
DC power supply unit A/D conversion board




2 ISW
CN1
(5pin)
CN2
(14pin)
CN3
(5pin)
CN7 CN6
(26pin) (20pin) CN60
CN10 (50pin)
CN8
(4pin) (3pin)




3 SERVICE
CN5
(4pin)




4 DIAGRAMS
Scanner drive board Operation board



CN80 CN82
(12pin) (5pin)

CN62 CN81 CN84
(3pin) (13pin) (14pin)

CN66
(7pin) CN61
CN65 (11pin)
(8pin) CN83
CN60 (4pin)
CN64
(10pin) (15pin)
CN86
CN63
(14pin)
(4pin)




4-19
7020 CONNECTOR LAYOUT DRAWING
1 OUTLINE




LD drive board Index senser board



CN50
CN51
(12pin)
(5pin)
2 ISW
3 SERVICE




Toner control sensor board Power SW board


CN1
(3pin)
CN1
(7pin)
4 DIAGRAMS




Paper feed detection board (upper, lower) Parameter memory board

CN2
(24pin)


CN1
(5pin)




CN1
(20pin)




4-20
7020 CONNECTOR LAYOUT DRAWING




1 OUTLINE
Exposure lamp power supply board




CN97 (2pin) CN96 (2pin)




2 ISW
3 SERVICE
Display inverter




CN77 CN71
(4pin) (3pin)




4 DIAGRAMS
Exposure lamp inverter




CN931 CN931
(4pin) (3pin)




4-21
DF-314 CONNECTOR LAYOUT DRAWING
1 OUTLINE




DF-314 CONNECTOR LAYOUT DRAWING


CN130 (W:6pin)


CN132 (W:6pin)
2 ISW




CN131 (W:6pin)


CN1 (18pin) CN5 (8pin)
CN4 (9pin)
CN3 (7pin)
3 SERVICE




DFCB




CN7 (30pin)
CN6 (15pin)
CN2 (22pin)
CN200 (GY:160pin)

CN117 (W:3pin)
CN123 (W:3pin)

CN121 (W:3pin) CN116 (W:3pin)
4 DIAGRAMS




CN115 (W:3pin)
CN136 (W:2pin)




CN122 (W:3pin) CN113 (W:3pin)




CN111 (W:3pin)

CN105 (W:3pin)
CN114 (W:3pin)
CN137 (W:2pin)




4-22
FS-107 CONNECTOR LAYOUT DRAWING




1 OUTLINE
FS-107 CONNECTOR LAYOUT DRAWING




CN736 (W:3pin)




2 ISW
CN735 (W:3pin)

CN734 (W:3pin)

CN744 (W:3pin)

CN737 (W:3pin)



CN756 (W:15pin)




3 SERVICE
CN738 (W:3pin)




CN741 (W:3pin)




4 DIAGRAMS
CN740 (W:3pin)



CN724 (W:6pin)

CN756 (W:15pin)
CN723 (W:6pin)



CN725 (W:6pin) CN756 (W:15pin)




CN739 (W:3pin)




CN726 (BK:2pin)




CN751 (W:1pin)




4-23
FS-107 CONNECTOR LAYOUT DRAWING
1 OUTLINE




CN753 (W:1pin) CN752 (W:3pin)
CN701 (10pin)
CN715 (30pin) CN712 (2pin)
2 ISW




CN706 (2pin) CN711 (2pin)
CN709 (12pin)

CN704 (12pin)
CN714 (15pin)
CN702 (11pin)
FS CB CN713 (3pin)
CN10 (2pin)

CN708 (8pin) CN703 (12pin)
CN707 (30pin)
3 SERVICE




CN300 (BK:24pin) CN705 (W:6pin)




CN731 (W:3pin)


CN722 (W:6pin)
4 DIAGRAMS




CN721 (W:6pin)
CN733 (W:3pin)


CN732 (W:3pin)




CN734 (W:3pin)




CN730 (BK:2pin)



CN745 (W:3pin)




4-24
DB-209 CONNECTOR LAYOUT DRAWING




1 OUTLINE
DB-209 CONNECTOR LAYOUT DRAWING


LCT drive board Size detection board1 Size detection board2


CN100 CN101
(6pin) (26pin)




2 ISW
CN1 CN1
CN102 (5pin) (5pin)
(6pin)




CN103 CN104
(24pin) (19pin)




3 SERVICE
J69 (W:6pin)
J70 (W:6pin)




4 DIAGRAMS
J66 (W:3pin)
J68 (W:7pin)




CN113 (W:12pin)



J64 (W:8pin)




J67 (W:3pin)
J63 (W:6pin)
J65 (W:11pin)




4-25
DB-409 CONNECTOR LAYOUT DRAWING
1 OUTLINE




DB-409 CONNECTOR LAYOUT DRAWING


LCT drive board Size detection boad



CN100 CN101
2 ISW




(6pin) (26pin)
CN1
(5pin)
CN102
(6pin) CN105
(3pin)


CN103
(24pin)
3 SERVICE




J69 (W:6pin)


J68 (W:3pin)
4 DIAGRAMS




CN113 (W:2pin)




J64 (W:8pin)




J66 (W:3pin)



J63 (W:6pin)




4-26
LIST OF JAM CODES




1 OUTLINE
LIST OF JAM CODES
During operation

Resulting
Classification Code Causes Correction
operation

By-pass J10 PS1 (registration) failed to turn ON within a If copying is in Take out the paper from the
predetermined time after start of by-pass feed progress at time bypass tray, and remove
(after SD3 (by-pass) ON). of jam, the any jammed paper.
Upper tray J11 PS1 (registration) failed to turn ON within a copier Open the ADU door,




2 ISW
predetermined time after start of upper-tray completes remove any jammed paper,
feed (after SD1 (first paper-feed (upper)) ON). ejection and and close the door.
Lower tray J12 PS1 (registration) failed to turn ON within a then stops. Pull out the tray, and
predetermined time after start of upper-tray remove any jammed paper.
feed (after SD2 (first paper-feed (lower)) ON).
DB tray J13 PS104 (jam detect sensor PS1) failed to turn Open the DB conveyance
ON within a predetermined time after start of door, remove any jammed
feed from DB upper tray (after SD101 (first paper, and close the door.
paper-feed (upper)) ON). Pull out the tray, and




3 SERVICE
J14 PS104 (jam detect sensor PS1) failed to turn remove any jammed paper.
ON within a predetermined time after start of
feed from DB lower tray.
J16 PS1 (registration) failed to turn ON within a Open the ADU door and/or
predetermined time after paper passed PS104 DB conveyance door,
(jam detect sensor PS1). remove any jammed paper,